import { Component, OnInit } from '@angular/core'
import { Hero } from '../hero'
import { HeroService } from '../hero.service'

@Component({
  selector: 'app-heroes',
  templateUrl: './heroes.component.html',
  styleUrls: ['./heroes.component.css']
})
export class HeroesComponent implements OnInit {
  heroes: Hero[]
  constructor(private heroService: HeroService) {}
  getHeroes(): void {
    this.heroService.getHeroes()
        .subscribe(heroes => this.heroes = heroes)
  }
  add (name: string): void {
    name = name.trim()
    if (!name) {return}
    this.heroService.addHero({name} as Hero).subscribe(hero => {
      this.heroes.push(hero)
    })
  }
  delete (hero: Hero): void {
    this.heroes = this.heroes.filter(h => h!== hero)
    this.heroService.deleteHero(hero).subscribe()
  }
  ngOnInit() {
    this.getHeroes()
  }
}
